Weather on December 31
Denver, CO
55 Years of Data
Avg High
46°F
Avg Low
17°F
Warmest
1980
52°F avg
Coldest
2014
-4°F avg
About This Date
December 31st in Denver, CO typically brings chilly winter weather, with average highs around 46°F and lows near 17°F — a 29°F daily swing. Over 55 years of records, the warmest December 31st was in 1980 (52°F average), while the coldest was 2014 (-4°F) — a 56°F range across recorded history. Precipitation has occurred on 11% of recorded December 31st dates, with snow falling 7% of the time (heaviest snowfall: 3.5"). The last decade has been 4.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.5°F cooler on this date compared to 20-30 years ago.
Planning for December 31st in Denver, CO? Bring layers as temperatures can vary throughout the day.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 53° | 17° | 35° | — | — |
| 2024 | 44° | 20° | 32° | — | — |
| 2023 | 56° | 26° | 41° | — | — |
| 2022 | 43° | 15° | 29° | — | — |
| 2021 | 36° | 12° | 24° | — | — |
| 2020 | 44° | 19° | 32° | — | — |
| 2019 | 35° | 11° | 23° | — | — |
| 2018 | 55° | 18° | 36° | — | — |
| 2017 | 60° | 14° | 37° | — | — |
| 2016 | 62° | 22° | 42° | — | — |
| 2015 | 27° | 8° | 17° | — | — |
| 2014coldest | 3° | -12° | -4° | — | — |
| 2013 | 47° | 28° | 37° | — | — |
| 2012 | 44° | 16° | 30° | — | — |
| 2011 | 57° | 32° | 45° | — | — |
| 2010 | 38° | 0° | 19° | 0.64" | 3.5" |
| 2009 | 44° | 15° | 30° | — | — |
| 2008 | 64° | 16° | 40° | — | — |
| 2007 | 50° | 18° | 34° | — | — |
| 2006 | 44° | 12° | 28° | — | — |
| 2005 | 56° | 28° | 42° | — | — |
| 2004 | 54° | 27° | 40° | — | — |
| 2003 | 54° | 18° | 36° | — | — |
| 2002 | 70° | 22° | 46° | — | — |
| 2001 | 30° | 10° | 20° | — | — |
| 2000 | 30° | 19° | 25° | 0.08" | 0.5" |
| 1999 | 61° | 24° | 42° | — | — |
| 1998 | 59° | 30° | 45° | — | — |
| 1997 | 52° | 18° | 35° | — | — |
| 1996 | 60° | 30° | 45° | — | — |
| 1995 | 33° | 25° | 29° | — | — |
| 1994 | 41° | 10° | 26° | 0.33" | — |
| 1993 | 58° | 21° | 39° | — | — |
| 1992 | 54° | 16° | 35° | — | — |
| 1991 | 44° | 20° | 32° | — | — |
| 1990 | 44° | 16° | 30° | — | — |
| 1989 | 31° | 18° | 24° | 0.25" | — |
| 1988 | 47° | 15° | 31° | — | — |
| 1987 | 38° | 0° | 19° | — | — |
| 1986 | 51° | 27° | 39° | — | — |
| 1985 | 57° | 20° | 38° | — | — |
| 1984 | 52° | 25° | 38° | — | — |
| 1983 | 53° | 32° | 43° | — | — |
| 1982 | 30° | 3° | 17° | — | — |
| 1981 | 52° | 24° | 38° | — | — |
| 1980warmest | 70° | 34° | 52° | — | — |
| 1979 | 45° | 14° | 29° | — | — |
| 1978 | 14° | 1° | 8° | — | — |
| 1977 | 52° | 20° | 36° | — | — |
| 1976 | 30° | — | — | — | — |
| 1975 | 57° | 22° | 39° | 0.38" | 3" |
| 1974 | 41° | 17° | 29° | — | — |
| 1973 | 20° | -2° | 9° | 0.15" | 1" |
| 1972 | 34° | 7° | 20° | — | — |
| 1971 | 53° | 19° | 36° | — | — |
55 years of data from LAKEWOOD